Either way, if you are using renewables, you are going to be using a baseload renewable power source (geothermal/hydro) that isn't going to care about temperatu

Either way, if you are using renewables, you are going to be using a baseload renewable power source (geothermal/hydro) that isn't going to care about temperature. What you want is access to cheap electricity and cheap cooling. Whatever minimises TCO is where you want to be.